Listar por autor UPNA "Rivero Fuente, Pedro J."
Mostrando ítems 1-20 de 43
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An alternative methodology for the evaluation of photocatalytic activity of polymeric coatings by monitoring dye degradation
This work provides an alternative method for evaluating the photodegradation behaviour of different types of dyes such as Methylene Blue, Rhodamine B, Congo Red, Metanil Yellow, and Malachite Green. In this methodology, ... -
An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles
In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ... -
An antibacterial surface coating composed of PAH/SiO2 nanostructurated films by Layer by Layer
In this article we propose a novel antibacterial coating composed of SiO2 and the polymer Poly(allylamine hydrochloride) (PAH) on glass slides by the technique Layer-by- Layer (LbL)1. This technique has already used in ... -
Antifungal activity of chitosan/poly (ethylene oxide) blend electrospun polymeric fiber mat doped with metallic silver nanoparticles
In this work, the implementation of advanced functional coatings based on the combination of two compatible nanofabrication techniques such as electrospinning and dip-coating technology have been successfully obtained for ... -
Characterization of two iron bullets from the royal ammunition factory of Eugi (Spain)
In this work, a comparative analysis of two iron bullets found in The Royal Ammunition Factory of Eugi in Navarra (Spain) was performed. Both bullets presented a spherical shape with a relatively good state of preservation, ... -
A comparative study in the design of TIO2 assisted photocatalytic coatings monitored by controlling hydrophilic behavior and rhodamine b degradation
This work presents a comparative study related to the photocatalytic efficiency associated with wettability measurements and organic dye degradation, as well as other relevant properties (i.e., corrosion resistance, ... -
A comparative study in the sensitivity of optical fiber refractometers based on the incorporation of gold nanoparticles into layer-by-layer films
In this work, optical fiber refractometers based on the successive incorporation of gold nanoparticles have been fabricated by means of the Layer-by-Layer Embedding (LbL-E) deposition technique. This enables the apparition ... -
A comparative study in the tribological behavior of DLC coatings deposited by HiPIMS technology with positive pulses
During the last few decades, diamond-like carbon (DLC) coatings were widely used for tribological applications, being an effective tool for improving the performance and the useful life of different machining tools. Despite ... -
A comparative study of multifunctional coatings based on electrospun fibers with incorporated ZnO nanoparticles
In this work, polymeric fibers of polystyrene (PS) with incorporated ZnO nanoparticles have been deposited onto an aluminum alloy substrate (6061T6) by using the electrospinning technique. In order to optimize the deposition ... -
A comparative study of two different approaches for the incorporation of silver nanoparticles into layer-by-layer films
In this work, a comparative study about the incorporation of silver nanoparticles (AgNPs) into thin films is presented using two alternative methods, the in situ synthesis process and the layer-by-layer embedding deposition ... -
Contribution to the development of functional nanostructured coatings based on silver nanoparticles
Esta tesis se centra en la síntesis de nanopartículas de plata (AgNPs) y su posterior incorporación en recubrimientos delgados usando dos métodos alternativos: el proceso de síntesis in situ (ISS) de AgNPs y la técnica de ... -
Design of photocatalytic functional coatings based on the immobilization of metal oxide particles by the combination of electrospinning and layer-by-layer deposition techniques
This work reports the design and characterization of functional photocatalytic coatings based on the combination of two different deposition techniques. In a first step, a poly(acrylic acid) + β-Cyclodextrin (denoted as ... -
Designing multifunctional protective PVC electrospun fibers with tunable properties
In this work, the electrospinning technique is used for the fabrication of electrospun functional fibers with desired properties in order to show a superhydrophobic behavior. With the aim to obtain a coating with the best ... -
Effect of both protective and reducing agents in the synthesis of multicolor silver nanoparticles
In this paper, the influence of variable molar ratios between reducing and loading agents (1:100, 1:50, 1:20, 1:10, 1:5, 1:2, 1:1, 2:1) and between protective and loading agents (0.3:1, 0.75:1, 1.5:1, 3:1, 7.5:1, 30:1, ... -
Effect of the temperature in the mechanical properties of austenite, ferrite and sigma phases of duplex stainless steels using hardness, microhardness and nanoindentation techniques
The aim of this work is to study the hardness of the ferrite, austenite and sigma phases of a UNS S32760 superduplex stainless steel submitted to different thermal treatments, thus leading to different percentages of the ... -
Electrospinning technique as a powerful tool for the design of superhydrophobic surfaces
The development of surface engineering techniques to tune-up the composition, structure, and function of materials surfaces is a permanent challenge for the scientific community. In this chapter, the electrospinning ... -
Electrospinning: a powerful tool to improve the corrosion resistance of metallic surfaces using nanofibrous coatings
The use of surface engineering techniques to tune-up the composition of nanostructured thin-films for developing functional coatings with advanced properties is a hot topic within the scientific community. The control of ... -
Evaluation of functionalized coatings for the prevention of ice accretion by using icing wind tunnel tests
Ice accretion presents serious safety issues, as airplanes are exposed to supercooled water droplets both on the ground and while flying through clouds in the troposphere. Prevention of icing is a main concern for both ... -
Evaluation of the photocatalytic activity and anticorrosion performance of electrospun fibers doped with metallic oxides
This paper reports the development and characterization of a multifunctional coating that combines anticorrosion and photocatalytic properties, deposited by means of the electrospinning technique. In the first step, a ... -
Fiber-optic lossy mode resonance sensors
In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ...